Networks
Here I explain how computer networks work, the way I studied them in Computer Engineering II: what a network is, the OSI and TCP/IP layer models, IP addressing and routing. Each topic comes with its theory and exam-style exercises, with interactive questions to test yourself.
6 articles
Introduction to networks
A dataset that crosses the ocean, five devices that do different jobs and pa…
Exam-style quizOSI and TCP/IP models
Layers, envelopes inside envelopes and a switch that doesn’t know your IP
Exam-style quizIP addressing
Masks, a bitwise AND and a router that only looks at the network
Exam-style quiz
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IC2 practical mock exam — flowcharts, fork and threads in C (and the screenshots you can’t leave out)